gcc/testsuite/gcc.target/arc/tls-1.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target tls } */
   3 /* { dg-options "-O3 -std=gnu99" } */
   4
   5 /* Check if addressing the `pos` member of struct is done via tls
   6    mechanism.  */
   7
   8 struct callchain_cursor {
   9   int last;
  10   long long pos;
  11 } __thread a;
  12 void fn1(struct callchain_cursor *p1)
  13 {
  14   p1->pos++;
  15 }
  16
  17 extern void fn3 (void);
  18
  19 void fn2(void) {
  20   struct callchain_cursor *b = &a;
  21   while (1) {
  22     fn3();
  23     fn1(b);
  24   }
  25 }
  26 /* { dg-final { scan-assembler "r25,@a@tpoff" } } */